Honoring Joseph Priestley, First to Isolate Oxygen, Chemist, PCS First Issue USA!

United States Commemorative Postage Stamp Honoring Joseph Priestley, Chemist, Scientist, Educator, Philosopher, and Clergyman,

First to Isolate Oxygen,

Issued April 13, 1983 in Northumberland, Pennsylvania,

First Day of Issue Cover, FDC, Postal Commemorative Society Engraving Cachet, Unaddressed,

Cover in Removable Transparent Poly Sleeve and Mailed With Protection,

Made in the USA


Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,